Question
How many square inches of wrapping paper are needed to wrap a gift box that are 3 inches long 4 inches wide, and 5 inches tall ?
Answers
PsyDAG
Surface area plus some overlap.
< (2*3) + (2*4) + (2*5) = ?
< (2*3) + (2*4) + (2*5) = ?
oobleck
eh?
2(3*4 + 3*5 + 4*5)
2(3*4 + 3*5 + 4*5)